TY  - BOOK
AU  - Hill,James M.
TI  - The production of barytes in 1913 with a note on Strontium ore and salts
T2  - Mineral Resources of the United States, calendar year 1913-Part II
U1  - 553.6 
PY  - 1914///
CY  - Washington, D.C.
PB  - Government Printing Office
KW  - MINERIA
KW  - BARITA
KW  - ESTRONCIO
KW  - SALES
KW  - PRODUCCION DE BARITA
N1  - Impreso
ER  -